From ab6613b7eaefe85dadfc86025e901c55d71c0379 Mon Sep 17 00:00:00 2001
From: Ken Wang <Ken.Wang@amd.com>
Date: Wed, 8 Nov 2017 14:48:50 +0800
Subject: [PATCH] drm/amdgpu: Remove check which is not valid for certain VBIOS
Git-commit: ab6613b7eaefe85dadfc86025e901c55d71c0379
Patch-mainline: v4.15-rc1
References: bsc#1051510

Fixes vbios fetching on certain headless boards.

Signed-off-by: Ken Wang <Ken.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c |    6 ------
 1 file changed, 6 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -59,12 +59,6 @@ static bool check_atom_bios(uint8_t *bio
 		return false;
 	}
 
-	tmp = bios[0x18] | (bios[0x19] << 8);
-	if (bios[tmp + 0x14] != 0x0) {
-		DRM_INFO("Not an x86 BIOS ROM\n");
-		return false;
-	}
-
 	bios_header_start = bios[0x48] | (bios[0x49] << 8);
 	if (!bios_header_start) {
 		DRM_INFO("Can't locate bios header\n");